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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6489285
    Disgrifiad
    Black/white print, Kings level at SN810751, Cwmystwyth Lead Mines, taken by Iain Wright in 1992.
    Enw Casgliad
    NMR Site Files
    Cychwynnwr
    Iain N. Wright, RCAHMW
    Dyddiad
    1992